hard · NCLEX-RN pharmacology

Based on the EHR data, which factor is most likely responsible for the patient's current symptoms of flushing and pruritus?

1. The infusion rate of 25 mg/min exceeds the recommended safety threshold.
2. An IgE-mediated hypersensitivity reaction occurring despite the lack of respiratory distress.
3. The use of a 20G peripheral IV catheter rather than a central venous access device.
4. The patient’s history of type 2 diabetes causing increased dermal sensitivity.

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